System.Types

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Routines

Bounds	Returns the TRect for a rectangle of given dimensions.
CenteredRect	Creates a centered rectangle.
CenterPoint	Returns the point in the center of a rectangle.
EqualRect	Indicates whether two TRect values are the same.
InflateRect	Enlarges a rectangle by a specific amount.
IntersectRect	Returns the intersection of two rectangles
IntersectRectF	Returns the intersection of two rectangles.
IsRectEmpty	Indicates whether a specified rectangle has a positive width and height.
MinPoint	Returns the minimum TPoint or TPointF.
MultiplyRect	Enlarges a rectangle by a specific amount.
NormalizeRect	Normalizes the TRect object.
NormalizeRectF	Normalizes the TRectF object.
OffsetRect	Changes the origin of a rectangle by a specified amount.
Point	Creates a TPoint structure from a pair of coordinates.
Point3D	Generates a 3D point based on the given 3D space coordinates.
PointF	Returns an instance of TPointF.
PtInCircle	Indicates whether a specified point lies inside a specified circle.
PtInRect	Indicates whether a specified point lies inside a specified rectangle.
Rect	Creates a TRect structure from a set of coordinates.
RectCenter	Returns an instance of TRect or TRectF placed in the center of another similar rectangle.
RectF	Returns an instance of TRectF.
RectHeight	Returns the vertical size of the rectangle.
RectWidth	Specifies the horizontal size of the rectangle.
ScalePoint	Returns an instance of TPoint or TPointF with scaled coordinates.
SmallPoint	Creates a TSmallPoint structure from a pair of coordinates.
SplitRect	Returns a rectangle made of an old one, with a splitting rule applied.
UnionRect	Returns the union of two rectangles
UnionRectF	Returns the union of two rectangles.
Vector	Generates a vector based on the given X and Y 2D coordinates.
Vector3D	Generates a 3D vector based on the given 3D space coordinates.

Types

DWORD	Integer type with the range [0; 4294967295].
OleStr	Represents an alias for WideString.
PByte	Pointer to Byte.
PDouble	Pointer to Double.
PInteger	Pointer to Integer.
PLongint	Pointer to Longint.
PPoint	PPoint is a pointer to a TPoint variable.
PPoint3D	Pointer to a TPoint3D variable.
PPointF	Pointer to a TPointF variable.
PRect	Pointer to a TRect variable.
PRectF	Pointer to a TRectF variable.
PSize	Pointer to tagSIZE.
PSizeF	Pointer to a TSizeF variable.
PSmallInt	Pointer to Smallint.
PSmallPoint	Pointer to TSmallPoint.
SIZE	Represents an alias to a record holding width and height values.
tagPOINT	Represents an alias for TPoint.
tagPOINTF	Represents an alias for TPointF.
tagSize	tagSize is a record holding width and height values.
tagVECTOR	Describes a vector in a two-dimensional space.
tagVECTOR3D	Class for vectors in 3D space.
TBooleanDynArray	TBooleanDynArray defines an array of Boolean elements.
TByteDynArray	Defines an array of byte elements.
TCardinalDynArray	TCardinalDynArray defines an array of Cardinal elements.
TCubicBezier	Defines a cubic Bezier curve.
TDirection	Indicates the direction of list broswing.
TDoubleDynArray	TDoubleDynArray defines an array of Double elements.
TDuplicates	Indicates the response when an application attempts to add a duplicate entry to a list.
TInt64DynArray	TInt64DynArray defines an array of Int64 elements.
TIntegerDynArray	Defines an array of integer elements.
TLongWordDynArray	TLongWordDynArray defines an array of LongWord elements.
TMatrix	TMatrix is an array of vectors in a two-dimensional space. It is used for vector transformations in 2D-space.
TMatrix3D	Represents a 4-by-4 matrix type.
TMatrix3DType	Defines a 3D matrix that consists of 4 3D vectors.
TMatrix3DTypeBase	Describes a 3D matrix as an array of tagVECTOR3D variables.
TMatrixArray	Describes a matrix as an array of TVector.
TMaxtrixArrayBase	Describes a matrix as an array of 3 tagVECTOR variables.
TPoint	Defines a pixel location on-screen.
TPoint3D	Represents a point in 3D space.
TPointF	Defines a pixel location on-screen.
TPolygon	Specifies a polygon as an array of TPointF.
TQuaternion3D	Quaternion number type.
TRect	TRect defines a rectangle.
TRectF	TRectF defines a rectangle, with coordinates in floating points.
TShortIntDynArray	TShortIntDynArray defines an array of ShortInt elements.
TSingleDynArray	TSingleDynArray defines an array of Single elements.
TSize	Specifies the width and height of an object.
TSizeF	Represents the floating-point width and height of an object.
TSmallIntDynArray	TSmallIntDynArray defines an array of SmallInt elements.
TSmallPoint	TSmallPoint type defines a point with two 16-bit coordinates.
TSplitRectType	TSplitRectType specifies which rectangle sides are used when splitting a rectangle.
TStringDynArray	TStringDynArray defines an array of String elements.
TValueRelationship	TValueRelationship defines value comparison possibilities.
TVector	TVector is a vector in a two-dimensional space.
TVector3D	Class for vectors in 3D space.
TVector3DArray	Array of 3D vectors.
TVector3DArrayBase	Array of 3 tagVECTOR3D.
TVector3DType	Defines a 3D vector that consists of 4 floating-point Single values.
TVectorArray	Array of TVector values.
TWideStringDynArray	TWideStringDynArray defines an array of WideString elements.
TWordDynArray	TWordDynArray defines an array of Word elements.

Variables

c180
c180divPI
c2PI
c360
c3PIdiv4
cInv2PI
cInv360
cOneHalf
cPI
cPIdiv180
cPIdiv2
cPIdiv4
CurveKappa
CurveKappaInv
Epsilon
Epsilon2

Constants

BOM_LSB_FIRST	BOM_LSB_FIRST: Char = $FEFF;
BOM_MSB_FIRST	BOM_MSB_FIRST: Char = $FFFE;
CarriageReturn	CarriageReturn: Char = $D;
EqualsValue	EqualsValue: Integer = 0;
FormFeed	FormFeed: Char = $C;
GreaterThanValue	GreaterThanValue: Integer = 1;
GUID_NULL	GUID_NULL: TGUID;
LessThanValue	LessThanValue: Integer = $FFFFFFFF;
LineFeed	LineFeed: Char = $A;
LineSeparator	LineSeparator: Char = $2028;
NullChar	NullChar: Char = 0;
ParagraphSeparator	ParagraphSeparator: Char = $2029;
RT_RCDATA	RT_RCDATA: PWideChar = $A;
Space	Space: Char = $20;
Tabulator	Tabulator: Char = 9;
VerticalTab	VerticalTab: Char = $B;